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by spirobelv2 662 days ago
wow this is super cool stuff. I see the similarities between currencies and trading cards.

seems like you guys also have grading services
1 comments
nlh 662 days ago
Yes! Very much so. And in fact, the grading services are owned by the same parent companies. NGC and PCGS are the big coin graders and I think their card graders are CGC and PSA respectively?
link